Aluminum used to be more valuable than gold!
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During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
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Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
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If the chemical sodium is dropped into water it will immediately and violently explode.
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Because heat expands the metal, the Eiffel Tower always leans away from the sun.
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